Principal Linux Systems Administrator

Overview

Leidos has a new and exciting opportunity for a Principal Linux Systems Administrator in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) . Our team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. We offer competitive benefits, including Paid Time Off, paid holidays, 401K with company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and more. Join us and make a difference in National Security!

Job Summary : Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting and optimizing hybrid infrastructure environments. The ideal candidate will bring strong expertise in Linux system administration, infrastructure automation, and modern hyper-converged infrastructure platforms, along with foundational Windows support.

Responsibilities

• Administer and maintain Linux systems across enterprise environments
• Create and manage automation scripts using Ansible for provisioning and configuration
• Support Windows Server environments to ensure cross-platform compatibility
• Deploy and manage containerized workloads using Docker and Kubernetes
• Operate and optimize hyperconverged infrastructure platforms, including Rancher and Harvester
• Integrate Proxmox virtualization into existing systems and workflows
• Implement identity and access controls using Centrify across hybrid deployments

Basic Qualifications

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